Physics Physics Practice Problems Solutions Library

Work By Gravity & Inclined Planes Solutions Library

Access 30 Work By Gravity & Inclined Planes video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Work By Gravity & Inclined Planes learn videos.

Browse Solutions

30 solutions

Work By Gravity & Inclined Planes

Q. A 66.5 kg hiker starts at an elevation of 1320 m and climbs to the top of a 2710 m peak.What is the hikers change in potential energy?What is th...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 1.75 m tall person lifts a 1.65 kg book off the ground so it is 2.15 m above the ground.(a) What is the potential energy of the book relative to ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. In a certain library the first shelf is 15.5 cm off the ground, and the remaining 4 shelves are each spaced 33.5 cm above the previous one.If the...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. What magnitude force is required to give a helicopter of mass M an acceleration of 0.10g upward?What work is done by this force as the helicopter m...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 360-kg piano slides 3.6 m down a 26 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline.Determine ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A gondola can carry 20 skiers, with a total mass of up to 1960 kg . The gondola ascends at a constant speed from the base of a mountain, at 2060 m ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A grocery cart with mass of 14 kg is being pushed at constant speed up a flat 15 ramp by a force FP which acts at an angle of 17 below the horiz...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 76.0-kg firefighter climbs a flight of stairs 21.0 m high. How much work is required?

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 76.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. The ladder makes an 31.0° angle with the wall. How much work...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 75-kg roofer climbs a vertical 7.0-m ladder to the flat roof of a house. He then walks 12 m on the roof, climbs down another vertical 7.0-m ladde...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A physics professor is pushed up a ramp inclined upward at an angle 31.0 above the horizontal as he sits in his desk chair that slides on friction...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. An 14.0-kg package in a mail-sorting room slides 4.00 m down a chute that is inclined at 56.0 below the horizontal. The coe...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. A 20.0-kg crate sits at rest at the bottom of a 15.1 m -long ramp that is inclined at 36 above the horizontal. A constant horizontal force of 290 ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a lon...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. The cable of a crane is lifting a 750 kg girder. The girder increases its speed from 0.25 m/s to 1.25 m/s in a distance of 4.1 ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. The two ropes seen in the figure are used to lower a 255 kg piano 5.70 m from a second-story window to the ground. You may want to review (Pages...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

Q. Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end of which is fixed to a tree limb above. By repea...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

Q. The record number of boat lifts, including the boat and its ten crew members, was achieved by Sami Heinonen and Juha Räsänen of Sweden in 2000. The...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

Q. In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. (a) How much work was done on the...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

Q. A boy in a wheelchair (total mass 47.0 kg) has speed 1.40 m/s at the crest of a slope 2.60 m high and 12.4 m long. At the bottom of the slope his s...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

Q. When an object is moved from rest at point A to rest at point B in a gravitational field, the net work done by the field depends on the mass of the...

Solved • Jun 5, 2017

Work By Gravity & Inclined Planes

Q. A 50 g mass is lifted upwards 20 cm. How much work is done by the gravitational force?

Solved • Feb 10, 2017

Work By Gravity & Inclined Planes

Q. A 5 kg mass is pushed across a floor with a coefficient of kinetic friction of 0.35. If the force pushing the mass is 70 N, how much work is done a...

Solved • Feb 10, 2017

Work By Gravity & Inclined Planes

Q. A block with mass 5.0 kg slides a distance of 6.0 m from point A at the top of a ramp to point B at the bottom of the ramp. The ramp is inclined at...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

Q. A ramp is inclined at 36.9° above the horizontal. A block with mass 0.500 kg is pulled up the ramp by a force F.  The block starts at point  A at t...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

Q. A box with mass 5.00 kg is pulled up a 36.9° incline by a constant force  F that has magnitude 75.0 N and that is parallel to the incline. The dist...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

Q. A block of mass 10.0 kg slides 16.0 m down a 36.9° incline, from point A at the top of the incline to point B at the bottom. As the block moves fro...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

Q. A block of mass 10.0 kg slides 16.0 m down a 36.9° incline, from point A at the top of the incline to point B at the bottom. As the block moves fro...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

Q. A box is pulled by a force F up a ramp that is inclined at 37° above the horizontal. The direction of this force is 60.0° above the horizontal. The...

Solved • Jan 27, 2017

Work By Gravity & Inclined Planes

Q. An object released from rest at the top of a 30.0° incline slides down the incline to the bottom of the incline. During this motion the work done o...

Solved • Jan 27, 2017